Home / 1,140,352,609.40-1,710,780,856.48-413,322,425.72

Finding the Fourth Proportional to 1,140,352,609.40, 1,710,780,856.48 and 413,322,425.72

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Solution

The fourth proportional to 1,140,352,609.40, 1,710,780,856.48 and 413,322,425.72 is: 620,074,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,352,609.40 : 1,710,780,856.48 = 413,322,425.72 : x
  2. Step 2: Convert to fraction form
    1,140,352,609.40/1,710,780,856.48 = 413,322,425.72/x
  3. Step 3: Cross multiply
    1,140,352,609.40x = 1,710,780,856.48 × 413,322,425.72
  4. Step 4: Simplify right side
    1,140,352,609.40x = 707,104,093,475,652,864
  5. Step 5: Solve for x
    x = 707,104,093,475,652,864/1,140,352,609.40
  6. Step 6: Final answer
    x = 620,074,955.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.